如何按月进行MySQL SELECT?
要使用月份选择,请使用MONTH()
方法。让我们首先创建一个表-
mysql> create table DemoTable1599-> (
-> Shippingdate datetime
-> );
使用插入命令在表中插入一些记录-
mysql> insert into DemoTable1599 values('2019-10-21');mysql> insert into DemoTable1599 values('2018-12-12');
mysql> insert into DemoTable1599 values('2015-11-21');
mysql> insert into DemoTable1599 values('2017-12-31');
mysql> insert into DemoTable1599 values('2018-12-26');
使用select语句显示表中的所有记录-
mysql> select * from DemoTable1599;
这将产生以下输出-
+---------------------+| Shippingdate |
+---------------------+
| 2019-10-21 00:00:00 |
| 2018-12-12 00:00:00 |
| 2015-11-21 00:00:00 |
| 2017-12-31 00:00:00 |
| 2018-12-26 00:00:00 |
+---------------------+
5 rows in set (0.00 sec)
以下是按月查询的查询-
mysql> select * from DemoTable1599-> where month(Shippingdate)=12;
这将产生以下输出-
+---------------------+| Shippingdate |
+---------------------+
| 2018-12-12 00:00:00 |
| 2017-12-31 00:00:00 |
| 2018-12-26 00:00:00 |
+---------------------+
3 rows in set (0.00 sec)
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